Inflected forms: pl. eu·ca·lyp·tus·es or eu·ca·lyp·ti (-t) Any of numerous tall trees of the genus Eucalyptus, native to Australia and having aromatic leaves that yield an oil used medicinally and wood valued as timber.
ETYMOLOGY:
New Latin Eucalyptus, genus name : Greek eu-, eu- + Greek kaluptos, covered (from kaluptein, to cover; see kel-1 in Appendix I).